Initial corrosion warning and protection mechanism of MAO/Na2MoO4/8-HQ/PP/WPU on AZ31B magnesium alloy
Siying Zhang
1
,
Guanjin Li
1
,
Lei Xu
2
,
BOKAI LIAO
1
,
Bo Kai Liao
1
,
Shan Wan
1
,
Xingpeng Guo
1
Publication type: Journal Article
Publication date: 2024-07-01
scimago Q1
wos Q1
SJR: 1.229
CiteScore: 11.8
Impact factor: 7.3
ISSN: 00330655, 03009440
Abstract
An excellent anti-corrosion and initial corrosion-warning composite coating (MAO/Na2MoO4/8-HQ/PP/WPU) was constructed on AZ31B magnesium alloy using micro-arc oxidation (MAO) technology, vacuum adsorption and spin-coating methods. The microstructure and chemical composition of the coating samples were characterized using XRD, FTIR, SEM, XPS, and Raman technologies. Scratches experiment confirms that MAO/Na2MoO4/8-HQ/PP/WPU coating could detect early corrosion at a damaged coating area. Electrochemical and optical morphology results show that it still maintains an unexceptionable corrosion protection performance with a high |Z|0.01Hz value (1.017 × 107 Ω·cm2) after immersion in a 3.5 wt% NaCl solution for 60 days, one order of magnitude larger than that of blank WPU coating. Combined with ion selective test and XPS depth analysis, its corrosion protection mechanism of the coating is clearly explained. This study can provide new insights for the design and protective mechanisms of functional coatings.
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Metrics
7
Total citations:
7
Citations from 2024:
7
(100%)
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GOST
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Zhang S. et al. Initial corrosion warning and protection mechanism of MAO/Na2MoO4/8-HQ/PP/WPU on AZ31B magnesium alloy // Progress in Organic Coatings. 2024. Vol. 192. p. 108511.
GOST all authors (up to 50)
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Zhang S., Li G., Xu L., LIAO B., Liao B. K., Wan S., Guo X. Initial corrosion warning and protection mechanism of MAO/Na2MoO4/8-HQ/PP/WPU on AZ31B magnesium alloy // Progress in Organic Coatings. 2024. Vol. 192. p. 108511.
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RIS
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TY - JOUR
DO - 10.1016/j.porgcoat.2024.108511
UR - https://linkinghub.elsevier.com/retrieve/pii/S0300944024003035
TI - Initial corrosion warning and protection mechanism of MAO/Na2MoO4/8-HQ/PP/WPU on AZ31B magnesium alloy
T2 - Progress in Organic Coatings
AU - Zhang, Siying
AU - Li, Guanjin
AU - Xu, Lei
AU - LIAO, BOKAI
AU - Liao, Bo Kai
AU - Wan, Shan
AU - Guo, Xingpeng
PY - 2024
DA - 2024/07/01
PB - Elsevier
SP - 108511
VL - 192
SN - 0033-0655
SN - 0300-9440
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2024_Zhang,
author = {Siying Zhang and Guanjin Li and Lei Xu and BOKAI LIAO and Bo Kai Liao and Shan Wan and Xingpeng Guo},
title = {Initial corrosion warning and protection mechanism of MAO/Na2MoO4/8-HQ/PP/WPU on AZ31B magnesium alloy},
journal = {Progress in Organic Coatings},
year = {2024},
volume = {192},
publisher = {Elsevier},
month = {jul},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0300944024003035},
pages = {108511},
doi = {10.1016/j.porgcoat.2024.108511}
}